If the point $[x_1 + t(x_2 - x_1), y_1 + t(y_2-y_1)]$ divides the join of the $(x_1,y_1)$ and $(x_2,y_2)$ internally, then :

Question

( A ) $t>1$
( B ) $0 ( C )$t<0$<br/> ( D )$t=1$